From that poll:
A third of Republican caucus-goers say they may change their mind (33 percent). Even one in four Trump supporters says they may ultimately go with another candidate (25 percent).
Cruz tops the list when GOP caucus-goers are asked their second-choice candidate.
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Among just those Republicans who have caucused before, it’s a 3-point race: Trump 28 percent vs. Cruz 25 percent. Another 10 percent go for Rubio.
True conservative values is the top characteristic GOP caucus-goers want in their party’s nominee (27 percent), closely followed by telling it like it is (24 percent) and being a strong leader (23 percent). Those traits outrank nominating someone who can win in November (9 percent) or has the right experience (7 percent).
Fox debate is the establishment’s last chance to bring him down. Their NRO gambit seems to have failed.